यदि a^(2) =(1+2 sin theta cos theta)/(1...

यदि `a^(2) =(1+2 sin theta cos theta)/(1-2sin theta cos theta)`, है, तो `(a+1)/(a-1)` किसके तुल्य है?

A

`sec theta`

B

1

C

0

D

`tan theta`

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